Orion Weiss World of Piano will begin at 3 p.m. in the Armstrong Concert Hall. One of the most sought-after soloists in his generation of young American musicians, pianist Orion Weiss has performed with major American orchestras, including the Chicago Symphony, Boston Symphony, Los Angeles Philharmonic and New York Philharmonic. Visit www.orionweiss.com to learn more. Tickets are $20 for adults, $17 for senior citizens and $10 for non-SU students. Purchase tickets at the Ohrstrom-Bryant Theatre box office; call 540/665-4569 or go to www.conservatoryperforms.org.